Patents
Patents for E03F 5 - Sewerage structures (11,230)
03/2001
03/20/2001US6203280 Pump totalizer system
03/20/2001US6202675 Lift station flood control system
03/14/2001CN2423333Y Gutter inlet
03/14/2001CN1287204A Assembly type vacuum drainage system
03/13/2001US6200484 Apparatus utilizing sump tank insert sized to fit existing catch basin, wherein run-off flowing into system goes through three filters: grate overlying inlet to catch basin, screen trapping solids that flow past grate, filter media
03/08/2001DE19954492C1 Shaft component, in particular, in the form of a concrete shaft ring comprises load-bearing elements which are uniformly distributed close to the ring circumference and consist of a plastic material with creep properties
03/07/2001EP1081298A2 Modular vacuum drainage system
03/07/2001CN2422360Y Overflow water storage basin
03/07/2001CN2422359Y Speed-regulating variable flow drainage device
03/06/2001US6196762 Non-clogging debris and sediment removal facility
03/01/2001WO2001014647A1 Stable tripod-type linking device, inserted between a receptacle and a lid, and resulting assembly
03/01/2001WO2001014259A1 A method and apparatus for reducing pollution from run-off water from highways
02/2001
02/28/2001CN1062643C Method and apparatus for controlling pumps in drainage system
02/28/2001CN1062626C Jetting type filter net device
02/28/2001CN1062625C Positioning self-locked gully grating device
02/28/2001CA2316481A1 Modular vacuum drainage system
02/27/2001US6192915 Sewerage inlet
02/21/2001CN2420349Y Super heavy steel fiber concrete rain grating
02/20/2001US6190545 Drainwater treatment system for use in a horizontal passageway
02/18/2001CA2315561A1 Arrangement with a female pipe adapter, a female pipe adapter, a bottom pan, an opening design, and a mould core
02/14/2001CN2419286Y Cylindrical drain
02/13/2001US6187180 Apparatus for screening
02/13/2001US6185758 Device in draining gutters
02/13/2001CA2232927C Protective cover for plumbing fixtures
02/08/2001WO2001009443A1 A system to prevent the rise of insects and other animals in drainpipes of hydraulic installations in building industry and roads
02/08/2001DE19939033C1 Lower drainage shaft assembly has a liner body with inflow connections and a lower body with embrasure openings to be linked together according to the drainpipe layout
02/07/2001EP1073610A1 Curb-inlet storm drain systems for filtering trash and hydrocarbons
02/06/2001US6183633 Separator
02/03/2001CA2300290A1 Manhole with extension wings
01/2001
01/31/2001EP0951452A4 Method and apparatus for helical flow in a header conduit
01/31/2001CN2417217Y Stairs like grate for removing solid substance
01/31/2001CN2417216Y Pipeline water stop means
01/25/2001DE19933391A1 Wet grit trap solids level sensor, is based on end-pivoted tube alternately filled by compressed air and water, causing it to adopt resting position on top of solids accumulation
01/24/2001EP1009888A4 Pollutant interceptor
01/24/2001EP0966571A4 Subsurface fluid drainage and storage systems
01/18/2001DE19930346A1 Sewer rinser; has flood chamber connected to collecting chamber and having blocking organ to close ventilation opening, connected to floats in collecting and flood chambers
01/18/2001DE10024222A1 Connection sleeve, especially for ground slab, sewer manhole or shaft gutter; has two pipe parts of different diameters with intermediate pipe and compensation part to form smooth transition
01/17/2001EP1069252A1 Flow regulating device for rainwater retention basin
01/17/2001EP0977711A4 Oil from water separator
01/11/2001DE19930699A1 Becken zur Rückhaltung von Oberflächenwasser Basin for the retention of surface water
01/11/2001DE19912449C1 Self-cleaning rainwater filter comprises sloping passage containing tubular element which can be rotated about its axis to vary filtration performance
01/10/2001EP1067243A2 Catchment basin for above ground water and construction method thereof
01/09/2001US6171507 Sensing first rainfall, collecting runoff in a basin, sensing end of rain and initiating a sedimentation timing sequence, when sedimentation of impurities yields partially treated runoff, filtering the runoff and discharging outside basin
01/04/2001WO2001000939A1 Stormwater sediment and litter trap
01/02/2001US6168514 Apparatus for evacuating sewer gas from a sewer system
12/2000
12/28/2000WO2000079176A1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore
12/28/2000WO2000078679A1 Flotation pile oil/water separator apparatus
12/28/2000DE19926480A1 Noise-reducing filter for pneumatic waste water pumping station satisfactory day and night
12/28/2000CA2374834A1 Method for in situ renovation of a manhole, particularly a sewer manhole, and prefabricated liner therefore
12/27/2000CN1059945C Nozzle mud pipe
12/26/2000US6164869 Device for influencing a flow of waste water
12/26/2000US6164618 Joining method and joining structure as well as form for concrete products
12/26/2000US6164317 Sewer pipe cover assembly
12/26/2000US6164315 Apparatus for use in manufacture of sump basins
12/21/2000DE19916964A1 Collector device for rainwater and waste water has retainer channel containing full-length mixed water channel with perforations in upper section
12/20/2000EP0871529B1 Liquid filter
12/20/2000CN2411290Y Sealing cover for drain-pipe for preventing foreign body entering
12/20/2000CN2411289Y Drainage pipe fitting
12/20/2000CN1059725C Water saving circulating utilization system
12/19/2000US6161594 Pipe bend
12/13/2000EP1059389A1 Drainage conduit with collapsible cover or grid
12/12/2000US6158959 Pump impeller
12/12/2000US6158925 Apparatus for installing pipeline fill
12/07/2000DE19923085A1 Drosselorgan, Feineinstellungseinrichtung für ein Drosselorgan und Speicherbecken Throttle body, fine adjustment device for a throttle body and reservoirs
12/07/2000DE10023866A1 Carbon filter water drain removes unpleasant smells, is smaller and lighter than bio-filters and remains effective in periods of drought and frost
12/06/2000EP0758426B1 Method and apparatus for spraying grout onto the interior surface of a manhole
12/06/2000CN2409254Y Rotary draining device
11/2000
11/30/2000WO2000071466A1 Method and apparatus for treating contaminated material containing animal or vegetable waste oil or the like
11/30/2000DE10020342A1 Sewage pipe check unit
11/29/2000EP0670815B1 Method and device for the separation of a contaminated top layer
11/28/2000US6152160 Modular vacuum drainage system
11/22/2000EP1053775A2 Constriction member, device for fine adjustment of a constriction member and storage tank.
11/21/2000US6149803 Storm sewer catch basin filter
11/16/2000DE19920259A1 Waste water filter for large-scale catering kitchen wastes separates water, plastic, metal, grease and bio-degradable substances
11/15/2000EP1052337A1 Gully with hinged and locked cover and grating
11/15/2000CN2405982Y Boosted scraper dirt-removing machine
11/15/2000CN1273619A Pollutant interceptor
11/15/2000CN1273314A Collector pipe mouth with cover and metal grating having hinge-joint and lockable
11/14/2000US6146435 Biofilter
11/09/2000WO2000066842A1 Device for sequential flushing and for distributing liquid
11/09/2000DE19918791A1 Sump for floor drain has the outlet to the sewer fitted with a valve that seals the outlet when the level in the sump falls below a set minimum
11/08/2000CN1272575A Preparation method of resin transferred moulding cross-winding valve well
11/07/2000US6143168 Grate for a subsurface catch basin
11/07/2000US6142736 Pump impeller
11/06/2000CA2307948A1 Protective cover for plumbing fixtures
11/02/2000WO2000065163A1 Method and apparatus for removing particulate solids from a fluid stream
11/02/2000DE19919185A1 Concrete shaft bottom for sewers etc. has inward-facing ring-shaped section integral with side wall to act as tread with step surface
11/02/2000DE19917074A1 Sand/solids collection trap to clean surface water consists of cylindrical container, and incoming rainwater passes along container wall via extraction device to outlet
10/2000
10/31/2000US6139260 Pump having a pump housing with one or more feeding grooves
10/31/2000CA2213267C Method and apparatus for separating floating and non-floating particulate from rainwater drainage
10/31/2000CA2212401C Adjustable sewer inlet section
10/25/2000EP1046757A1 Drainage system for sanitairy units
10/25/2000CN2402746Y Mesh type automatic object-catcher
10/24/2000US6135141 Low profile high capacity inside drop for a manhole
10/24/2000US6135140 Storm drain diverter
10/19/2000DE19959250A1 Vertical shaft for drainage system has set of vertically-stacked rings with side entrances for drainage pipes and has pipes entering and leaving tangentially and passing over gently-sloping floors
10/17/2000US6132626 Water and sewage screening using hydraulic power; self-cleaning
10/17/2000US6132603 Trap for catch basins and process of making same
10/17/2000US6132136 Drainage water pumping station and method for operating the same
10/11/2000EP1041912A1 Filter device for aircraft
1 ... 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 ... 113